Ademco - 351 Ultrasonic Detector

No 351 UL iRASONlC DETECTOR GENERAL No 351 Ultrasonic presence waves a moving area with as an pattern picks protected waves which ultrasonic waves after gotten sound waves walls achieved be reflected detected movement a changed electronic protective changes objects as persons Doppler alarm other THE BEST LOCATION certain as air vibrations appear certain motion determining alarm NOT present CURRENTS created space heaters strong as when show sturdy walls from be protected OBJECTS such as house pets by air other sway open doors premises be angled drafts No 351 Ultrasonic not maximum coverage 4 to 7 feet near ceiling FOR all No 353 Mounting No 351 Ultrasonic CONNECTIONS protective volts any closed and outlet keep hours other positive 2 conductor volt other of No 1320 outlet certain day accidentally ultra AND RANGE SETTING pattern emitted oblong ultrasonic No 351 wide at actual No 351 wi I I vary REFLECTION areas highly hard and easily most surface of No 351 plush have a are affected overflow atmospheric actually wise area THE RANGE pattern can decrease area adjustment smaller be protected a highly a h ighI y absorbent adjustment a general always keep of not entire or No 351 open space a minimum MULTIPLE mind considerations be number of No 351 ultrasonics owed number suggested other as certain be placed below area without positioning INSTALLATIONS INSTALLATIONS distance some effective AND TESTING occur exceeds units be directed each other be placed opposite center units adjacent area business cleared all suggest may be more convenient set up the No 351 after main control not be ON during will No 351 Ultrasonic there OFF no motion on of alert any high pitched vibration walk walking can determine at protection TO CONDUCT A PROPER WALK TEST ALWAYS WALK DIRECTLY TOWARD OR FROM THE UNIT AND NEVER ACROSS IT unit movement a built in go undetected or steps mind when conducting you can contra back of protect unit by adjust set decrease hinged ng sure before ultrasonic batteries properly had a chance charge operate used A C will out THE TURBULENCE WARNING SYSTEM the No 351 high a room walk spot